1. A two-stage price-setting equilibrium designed in consideration of goods relevance and strategic relevance. Australian Economic Papers, vol. 39, no. 2, June 2000, pp. 173-183.
2. Lifetime employment contract and strategic entry deterrence: Cournot and Bertrand. Australian Economic Papers, vol. 40, no. 1, March 2001, pp. 30-43.
3. On the effectiveness of the lifetime-employment-contract policy. Manchester School, vol. 70, no. 6, December 2002, pp. 812-821.
4. A model of a price-setting duopoly with a wage-rise contract. Australian Economic Papers, vol. 42, no. 2, June 2003, pp. 149-157.
5. A note on the most-favoured-customer pricing policy. Bulletin of Economic Research, vol. 55, no. 4, October 2003, pp. 407-413.
6. Limits in the labor supply market and Cournot competition. Indian Journal of Economics and Business, vol. 4, no. 2, December 2005, pp. 267-274.
7. When is entry deterrence the wiser strategy for a firm? Philippine Review of Economics, vol. 42, no. 2, December 2005, pp. 75-89.
8. A mixed duopoly with a lifetime employment contract as a strategic commitment. FinanzArchiv / Public Finance Analysis, vol. 62, no. 1, March 2006, pp. 108-123.
9. Bertrand games with lifetime employment contracts as a strategic commitment. Manchester School, vol. 74, no. 5, September 2006, pp. 549-557. (ERRATUM, Manchester School, vol. 74, no. 6, December 2006, p. 729).
10. Investment decisions in a new mixed market. Annals of Economics and Finance, vol. 7, no. 2, November 2006, pp. 271-281.
11. Wage-rise contract and entry deterrence: Bertrand and Cournot. Annals of Economics and Finance, vol. 8, no. 1, May 2007, pp. 155-165.
12. Wage-rise contract and Cournot competition with labor-managed firms. Rivista di Politica Economica, vol. 97, no. 3, May-June 2007, pp. 17-31.
13. The limit pricing theory and capacity precommitment: a note. Indian Economic Journal, vol. 55, no. 2, July-September 2007, pp. 156-161.
14. On the payoff representations of normal form games. International Game Theory Review, vol. 9, no. 3, September 2007, pp. 477-482.
15. International mixed duopoly and strategic commitments. International Economics and Economic Policy, vol. 4, no. 4, February 2008, pp. 421-432.
16. Mixed duopoly with wage-rise contract as strategic commitment. Ekonomia, vol. 11, no. 1, Summer 2008, pp. 35-49.
17. Strategic investment in a new mixed market with labor-managed and profit-maximizing firms. Metroeconomica, vol. 59, no. 4, November 2008, pp. 594-607.
18. Strategic commitment and Cournot competition with labor-managed and profit-maximizing firms. Research in Economics, vol. 62, no. 4, December 2008, pp. 188-196.
19. Strategic commitment and international mixed competition with domestic state-owned and foreign labor-managed firms. FinanzArchiv / Public Finance Analysis, vol. 64, no. 4, December 2008, pp. 458-472.
20. Capacity investment and mixed duopoly with state-owned and labor-managed firms. Annals of Economics and Finance, vol. 10, no. 1, May 2009, pp. 49-64.
21. Strategic commitment and three-stage games with labor-managed and profit-maximizing firms. Finnish Economic Papers, vol. 22, no. 2, Autumn 2009, pp. 63-74.
22. Wage-rise contract and Cournot competition with labor-managed firms. In Luca Lambertini ed., Firms’ Objectives and Internal Organisation in a Global Economy: Positive and Normative Analysis. Palgrave Macmillan, Basingstoke, Hampshire, November 10, 2009, pp. 17-31.
23. Partial privatization in price-setting mixed duopoly. Economics Bulletin, vol. 30, no. 1, January 28, 2010, pp. 309-314.
24. Domestic and international mixed models with price competition. International Review of Economics, vol. 57, no. 1, March 2010, pp. 1-7.
25. Most-favoured-customer pricing and labour-managed oligopoly. Journal of Industry, Competition and Trade, vol. 10, no. 1, March 2010, pp. 33-40.
26. Price-setting mixed duopoly models with complementary goods. Modern Economy, vol. 1, no. 1, May 2010, pp. 43-46.
27. Inventories in a labour-managed economy. Zagreb International Review of Economics and Business, vol. 13, no. 1, May 2010, pp. 41-49.
28. Labor investment in a new international mixed market. Technology and Investment, vol. 1, no. 2, May 2010, pp. 143-148.
29. Wage-rise contract and endogenous timing in international mixed duopoly. Research in Economics, vol. 64, no. 2, June 2010, pp. 121-127.
30. Inventories and mixed duopoly with state-owned and labor-managed firms. iBusiness, vol. 2, no. 2, June 2010, pp. 116-122.
31. A three-stage international mixed duopoly with a wage-rise contract as a strategic commitment. Manchester School, vol. 78, no. 4, July 2010, pp. 279-289.
32. Two-stage and three-stage games of constant price elasticity of demand with lifetime employment contract. Review of Business and Economics, vol. 55, no. 3, July-September 2010, pp. 363-373.
33. A unilateral pricing policy and the Stackelberg equilibrium. International Game Theory Review, vol. 12, no. 3, September 2010, pp. 205-210.
34. Lifetime employment contract and quantity competition with profit-maximizing and joint-stock firms. Journal of Institutional and Theoretical Economics, vol. 166, no. 3, September 2010, pp. 462-478.
35. Tacit collusion in a labor-managed oligopoly market. East-West Journal of Economics and Business, vol. 14, no. 1, January 2011, pp. 97-107.
36. Investment strategies in a new mixed market with state-owned and labour-managed firms. Indian Economic Journal, vol. 58, no. 4, January-March 2011, pp. 76-88.
37. Partial privatization in price-setting mixed duopolies with complementary goods. Modern Economy, vol. 2, no. 1, February 2011, pp. 45-48.
38. Two-stage quantity-setting games and tacit collusion. Finnish Economic Papers, vol. 24, no. 1, Spring 2011, pp. 64-77.
39. A quantity-setting mixed duopoly with inventory investment as a coordination device. Annals of Economics and Finance, vol. 12, no. 1, May 2011, pp. 111-121.
40. Lifetime employment contract and international mixed duopoly with price competition. International Journal of Economics, vol. 5, no. 1, June 2011, pp. 91-98.
41. Privatization and capitalist and labor-managed firms: a numerical example. East-West Journal of Economics and Business, vol. 14, no. 2, July 2011, pp. 55-63.
42. Lifetime employment contract and reaction functions of profit-maximizing and labor-managed firms. Research in Economics, vol. 65, no. 3, September 2011, pp. 152-157.
43. Lifetime employment and three-stage games with labour-managed and state-owned firms. Indian Economic Journal, vol. 59, no. 3, October-December 2011, pp. 3-17.
44. A two-stage quantity-setting duopoly: Cournot or Stackelberg. American Journal of Economics, vol. 2, no. 1, January 2012, pp. 53-56.
45. A three-stage equilibrium with sunk costs. International Journal of Business Policy and Economics, vol. 5, no. 1, January-June 2012, pp. 81-84.
46. Investment decisions in a new labor-managed industry. Journal of Game Theory, vol. 1, no. 1, February 2012, pp. 7-10.
47. Price-setting mixed duopoly, privatization and subsidization. Microeconomics and Macroeconomics, vol. 1, no. 1, April 2012, pp. 20-23.
48. Wage-rise contract and quantity competition with profit-maximizing and labour-managed firms. Bulletin of Economic Research, vol. 64, no. 2, April 2012, pp. 286-292.
49. Capacity precommitment and three-stage duopoly with complementary goods. Co-authored with Masamichi Kawano, International Journal of Economics and Management Engineering, vol. 2, no. 2, May 2012, pp. 18-22.
50. Adjustment processes in Cournot duopoly. Co-authored with Masamichi Kawano, Journal of Game Theory, vol. 1, no. 3, June 2012, pp, 6-9.
51. Mixed duopoly and strategic trade policy. International Journal of Economics, vol. 6, no. 1, June 2012, pp. 79-88.
52. Endogenous timing in a quantity-setting mixed duopoly with state-owned and labor-managed firms. American Journal of Economics, vol. 2, no. 5, July 2012, pp. 82-86.
53. Domestic and foreign ownership of private sector in mixed duopoly. Microeconomics and Macroeconomics, vol. 1, no. 2, August 2012, pp. 24-27.
54. Endogenous leadership in a labor-managed duopoly. Journal of Game Theory, vol. 1, no. 4, August 2012, pp, 25-28.
55. An oligopoly model with donative most-favored-nation pricing. International Journal of Economics and Management Engineering, vol. 2, no. 3, August 27, 2012, pp. 104-107.
56. Quantity-setting games with lifetime employment contracts as a strategic commitment. Philippine Review of Economics, vol. 49, no. 2, December 2012, pp. 25-40.
57. Mixed Cournot duopoly with two production periods: the labour-managed firm and the profit-maximizing firm. Indian Economic Review, vol. 47, no. 2, July-December 2012, pp. 183-190.
58. A two-production-period model with state-owned and labour-managed firms. Institutions and Economies, vol. 5, no. 1, April 2013, pp. 41-56.
59. A three-stage labour-managed Cournot duopoly with lifetime employment as a strategic commitment. Frontiers in Finance and Economics, vol. 10, no. 1, April 2013, pp. 87-99.
60. Managerial incentives in a mixed duopoly with a foreign competitor. Trends in Economics (TE), vol. 1, no, 1, April 2014, pp. 35-42.
61. Sequential mixed competition with a foreign joint-stock firm. International Journal of Social Sciences and Management Studies, vol. 1, no. 2, June 2014, pp. 38-52.
62. Lifetime employment and endogenous timing in a mixed duopoly with profit-maximizing and joint-stock firms. Institutions and Economies, vol. 6, no. 3, October 2014, pp. 1-14.
63. Inventory holding and international mixed duopoly. Hellenic Open Business Administration Journal, vol. 1, no. 1, 2015, pp. 73-89.
64. Strategic investment decisions in a continuous-time dynamic model with complementary goods. In Kazuhiro Ohnishi ed., Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 1. Bentham Science Publishers, April 2015, pp. 88-97.
65. Entry deterrence in a Cournot model. In Kazuhiro Ohnishi ed., Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 1. Bentham Science Publishers, April 2015, pp. 98-113.
66. Wage-rise contract and a three-stage model with state-owned and labour-managed firms. In Kazuhiro Ohnishi ed., Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 1. Bentham Science Publishers, April 2015, pp. 139-154.
67. Lifetime employment and a three-stage model with state-owned and joint-stock firms. In Kazuhiro Ohnishi ed., Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 1. Bentham Science Publishers, April 2015, pp. 155-169.
68. Quantity precommitment and mixed duopoly with price competition. In Kazuhiro Ohnishi ed., Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 1. Bentham Science Publishers, April 2015, pp. 182-194.
69. Partial privatization in international mixed duopoly with price competition. Hellenic Open Business Administration Journal, vol. 2, no. 1, 2016, pp. 57-65.
70. Capacity and reaction functions of joint-stock firms. International Journal of Management, Accounting and Economics, vol. 3, no. 3, March 2016, pp. 166-173.
71. Lifetime employment and a sequential choice in a mixed duopoly market with a joint-stock firm. International Journal of Management, Accounting and Economics, vol. 3, no. 5, May 2016, pp. 183-195.
72. Lifetime employment and a mixed duopoly with a foreign labour-managed firm. In Kazuhiro Ohnishi ed., Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 2. Bentham Science Publishers, June 2016, pp. 115-141.
73. Price-setting games and entry deterrence. In Kazuhiro Ohnishi ed., Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 2. Bentham Science Publishers, June 2016, pp. 142-161.
74. Endogenous timing in a price-setting mixed duopoly with a foreign competitor. International Journal of Management, Accounting and Economics, vol. 3, no. 12, December 2016, pp. 758-763.
75. Quantity precommitment and Cournot and Bertrand models with complementary goods. International Journal of Management, Accounting and Economics, vol. 4, no. 1, January 2017, pp. 17-29.
76. Wage-rise contract and mixed duopoly with price competition. International Journal of Management, Accounting and Economics, vol. 4, no. 9, September 2017, pp. 898-908.
77. Lifetime employment and mixed Cournot duopoly with state-owned and joint-stock firms. International Journal of Management, Accounting and Economics, vol. 5, no. 1, January 2018, pp. 1-9.
78. Lifetime employment and a mixed duopoly with labor-managed and joint-stock firms. In Kazuhiro Ohnishi ed., Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 3. Bentham Science Publishers, March 2018, pp. 69-81.
79. A three-stage mixed triopoly with capacity choice. In Kazuhiro Ohnishi ed., Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 3. Bentham Science Publishers, March 2018, pp. 82-100.
80. Managerial delegation in an international mixed duopoly with price competition. In Kazuhiro Ohnishi ed., Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 3. Bentham Science Publishers, March 2018, pp. 144-153.
81. Unilateral decisions to hire managers in markets with capitalist and labor-managed firms. International Journal of Management, Accounting and Economics, vol. 5, no. 4, April 2018, pp. 190-196.
82. The value of strategic commitment in mixed duopoly games with a foreign labor-managed firm. University without Borders Journal of Economics and Business, vol. 1, no. 2, June 2018, pp. 17-31.
83. Reaction functions under quantity competition in international mixed triopolies. International Journal of Management, Accounting and Economics, vol. 5, no. 6, June 2018, pp. 411-416.
84. Wage-rise contract and labour-managed Cournot oligopoly with complementary goods. East-West Journal of Economics and Business, vol. 22, no. 1, January 2019, pp. 29-40.
85. Non-altruistic equilibria. Indian Economic Journal, vol. 67, no. 3-4, December 2019, pp. 185-195.
86. The decision whether to hire managers in a mixed duopoly with state-owned and labor-managed firms. International Journal of Management, Accounting and Economics, vol. 7, no. 3, March 2020, pp. 167-172.
87. Endogenous timing in mixed duopoly with wage-rise contracts as strategic device. International Journal of Management, Accounting and Economics, vol. 7, no. 7, July 2020, pp. 326-334.
88. Capacity choice in an international mixed triopoly. International Economic Journal, vol. 34, no. 3, September 2020, pp. 371-387.
89. Price-setting mixed duopoly, subsidization and the order of firms’ moves: the relevance of privatization. Economics Bulletin, vol. 40, no. 4, November 2020, pp. 3071-3076.
90. A note on Stackelberg mixed triopoly games with state-owned, labour-managed and capitalist firms. International Game Theory Review, vol. 23, no. 1, 2150002, March 2021.
91. Managerial incentives in price-setting mixed duopoly model with complementary goods. International Journal of Management, Accounting and Economics, vol. 8, no. 5, May 2021, pp. 362-367.
92. Price-setting mixed duopoly, partial privatization and subsidization: substitute and complementary goods. Asian Journal of Economics and Finance, vol. 3, no. 3, October 2021, pp. 385-392.
93. The environmental effect of ambient charges in mixed triopoly with diverse firm objectives. Journal of Applied Economic Sciences, vol. 16, no. 3 (73), Fall 2021, pp. 247-250.
94. Mixed duopoly, privatization, subsidization and partial foreign ownership. International Journal of Management, Accounting and Economics, vol. 8, no. 9, September 2021, pp. 707-714.
95. Price-setting mixed duopoly, subsidization and the order of firms’ moves: substitutive, independent and complementary goods. Indian Journal of Economics and Financial Issues, vol. 3, no. 1, January 2022, pp. 165-171.
96. Inventory holding and a mixed duopoly with a foreign joint-stock firm. Asian Journal of Economics and Business, vol. 3, no. 1, January 2022, pp. 1-14.
97. Wage-rise contract and mixed Cournot duopoly competition with profit-maximizing and socially concerned firms. Journal of Business and Economic Analysis, vol. 5, no. 1, April 2022, pp. 139-148.
98. Environmental pollution and the effects of ambient charges in mixed duopoly markets with diverse firm objectives. Indian Journal of Finance and Economics, vol. 3, no. 1, June 2022, pp. 35-41.
99. Lifetime employment and Stackelberg mixed duopoly games with a foreign labour-managed competitor. Arthaniti: Journal of Economic Theory and Practice, vol. 21, no. 1, June 2022, pp. 27-42.
100. Corporate social responsibility and reaction functions of labor-managed firms with lifetime employment as strategic commitment. International Journal of Management, Accounting and Economics, vol. 9, no. 8, August 2022, pp. 542-549.
101. Mixed duopoly, privatization and subsidization: Complementary goods. International Journal of Management, Accounting and Economics, vol. 10, no. 2, February 2023, pp. 149-156.
102. International mixed triopoly, privatization and subsidization: Complementary goods. Indian Journal of Economics and Financial Issues, vol. 4, no. 1, August 2023, pp. 51-58.
103. Partially cooperating duopoly games: Substitute and complementary goods. Indian Journal of Global Economics and Business, vol. 2, no. 2, December 2023, pp. 193-198.
104. Socially concerned duopolies with lifetime employment as a strategic commitment. Asian Journal of Economics and Finance, vol. 5, no. 4, December 2023, pp. 451-462.
105. Corporate social responsibility and labor-managed duopoly with wage rise as strategic commitment. International Journal of Management, Accounting and Economics, vol. 11, no. 5, May 2024, pp. 599-610.
106. A labor-managed Bertrand oligopoly game with lifetime employment as a strategic commitment. Indian Journal of Global Economics and Business, vol. 3, no. 1, June 2024, pp. 1-10.
107. Economic incentives for nonpoint pollution control: Insights from a mixed Bertrand duopoly model with partial privatization. Studies in Economics and International Finance, vol. 4, no. 1, June 2024, pp. 51-60.
108. Why firms should care for customers: Complementary goods. Asian Journal of Economics and Finance, vol. 6, no. 3, September 2024, pp. 267-273.
109. Lifetime employment and an international mixed Cournot duopoly game with a foreign joint-stock firm. Indian Journal of Applied Business and Economic Research, vol. 5, no. 2, November 2024, pp. 149-161.
110. The effects of ambient charges in a Cournot duopoly with a labor-managed firm and a capitalist firm. International Journal of Management, Accounting and Economics, vol. 12, no. 3, March 2025, pp. 488-495.
111. Unilateral decisions to hire managers in a mixed duopoly with a foreign labour-managed competitor. Indian Journal of Global Economics and Business, forthcoming.
112. Pollution, partial privatization, and the effect of ambient charges. Indian Journal of Economics and Financial Issues, forthcoming.
Endogenous timing in a mixed triopoly with state-owned, labour-managed and capitalist firms
Lifetime employment and reaction functions of socially concerned firms under quantity competition
Why labor-managed firms may not be socially desirable
Endogenous timing in an international mixed duopoly with a foreign labor-managed competitor
Stackelberg mixed duopoly with a partially foreign-owned competitor
1. Labor shortage and immigration: theory and real world examples. The 46th Annual Meeting of the Kansai Branch, The Japan Society of International Economics, Houkokuyoushi, June 5, 2004, pp. 1-2.
2. International mixed duopoly and strategic commitments. The 48th Annual Meeting of the Kansai Branch, the Japan Society of International Economics, Houkokuyoushisyu, June 10, 2006, p. 3.
3. Mixed duopoly and strategic trade policy. The 65th Annual Meeting of the Japan Society of International Economics, Houkokuyoushisyu, October 14-15, 2006, p. 45.
4. Wage-rise contract and endogenous timing in international mixed duopoly. The 66th Annual Meeting of the Japan Society of International Economics, Houkokuyoushisyu, October 7-8, 2007, p. 31.
5. Domestic and international mixed models with price competition. The 68th Annual Meeting of the Japan Society of International Economics, Youshisyu, October 17-18, 2009, p. 74.
6. Endogenous timing in a price-setting mixed duopoly with a foreign competitor. The 71th Annual Meeting of the Japan Society of International Economics, Houkokuyoushisyu, October 13-14, 2012, p. 24.
7. Inventory holding and a mixed duopoly with a foreign joint-stock firm. The 75th Annual Meeting of the Japan Society of International Economics, Houkokuyoushisyu, October 29-30, 2016, p. 50.
8. Reaction functions under quantity competition in international mixed triopolies. The 77th Annual Meeting of the Japan Society of International Economics, Houkokuyoushisyu, October 13-14, 2018, p. 16.
1. Commitment and strategic firm behaviour. PhD Thesis Seminar, Graduate School of Economics, Osaka University, February 20, 2001.
2. The wage-rise contract as a strategic commitment. Japanese Economic Association Spring Meeting, Session Chair: Yosuke Okada, Discussant: Tatsuhiko Nariu, Hiroshima Shudo University, May 19, 2001.
3. A three-stage equilibrium with sunk costs. Joint Seminar, Graduate School of Economics, Kobe University, December 14, 2002.
4. Labor shortage and immigration: theory and real world examples. The 46th Annual Meeting of the Kansai Branch, the Japan Society of International Economics, Session Chair: Hisayuki Okamoto, Discussant: Chisato Yoshida, Nagasaki University, June 5, 2004.
5. A unilateral pricing policy and the Stackelberg equilibrium. COE/RIEB Seminar, IEFS Japan Seminar, Research Institute for Economics and Business Administration, Kobe University, September 17, 2004.
6. A unilateral pricing policy and the Stackelberg equilibrium. Japanese Economic Association Autumn Meeting, Session Chair: Masahiro Ashiya, Discussant: Noriaki Matsushima, Okayama University, September 26, 2004.
7. Strategic investment in a new mixed market. Microeconomics/Game Theory Seminar, Kyoto Institute of Economic Research, Kyoto University, October 14, 2004.
8. A unilateral pricing policy and the Stackelberg equilibrium. Workshop Applied Micro/Industrial Economics, Graduate School of Economics, Kyoto University, October 21, 2004.
9. A unilateral pricing policy and the Stackelberg equilibrium. The 21st Meeting of Market/Government Seminar, Graduate School of Economics, Kobe University, October 23, 2004.
10. Investment decisions in a new mixed market. Japanese Economic Association Spring Meeting, Session Chair: Tetsuya Shinkai, Discussant: Masahiro Ashiya, Kyoto Sangyo University, June 4, 2005.
11. Quantity-setting games with lifetime employment contracts as a strategic commitment. Japanese Economic Association Autumn Meeting, Session Chair: Hiroshi Osano, Discussant: Masamichi Kawano, Chuo University, September 18, 2005.
12. Investment decisions in a new mixed market. Hitotsubashi/Kyoto Game Theory Workshop, Kyoto Institute of Economic Research, Kyoto University, March 7, 2006.
13. International mixed duopoly and strategic commitments. The 48th Annual Meeting of the Kansai Branch, the Japan Society of International Economics, Session Chair: Kenzo Abe, Discussant: Toru Kikuchi, Kindai University, June 10, 2006.
14. Mixed duopoly and strategic trade policy. The 26th Meeting of Market/Government Seminar, Graduate School of Economics, Kobe University, September 30, 2006.
15. Mixed duopoly and strategic trade policy. The 65th Annual Meeting of the Japan Society of International Economics, Session Chair: Makoto Tawada, Discussant: Kenji Kondoh, Nagoya University, October 15, 2006.
16. Wage-rise contract and entry deterrence: Bertrand and Cournot. Japanese Economic Association Autumn Meeting, Session Chair: Takao Ohkawa, Discussant: Keizo Mizuno, Osaka City University, October 21, 2006.
17. Lifetime employment contract and Cournot competition with labor-managed and profit-maximizing firms. Japanese Economic Association Spring Meeting, Session Chair: Masaru Sasaki, Discussant: Ichiroh Daitoh, Osaka Gakuin University, June 3, 2007.
18. Strategic investment in a new mixed market with labor-managed and profit-maximizing firms. Japanese Economic Association Autumn Meeting, Session Chair: Toshihiro Matsumura, Discussant: Noriaki Matsushima, Nihon University, September 24, 2007.
19. Wage-rise contract and endogenous timing in international mixed duopoly. The 66th Annual Meeting of the Japan Society of International Economics, Session Chair: Masayuki Okawa, Discussant: Ichiroh Daitoh, Waseda University, October 8, 2007.
20. An international mixed duopoly with a wage-rise contract as a strategic commitment. Japanese Economic Association Autumn Meeting, Session Chair: Naoto Jinji, Discussant: Hikaru Ogawa, Kindai University, September 14, 2008.
21. Domestic and international mixed models with price competition. The 68th Annual Meeting of the Japan Society of International Economics, Session Chair: Taiji Furusawa, Discussant: Yoshitomo Okamoto, Chuo University, October 18, 2009.
22. Partial privatization in international mixed duopoly with price competition. Japanese Economic Association Autumn Meeting, Session Chair: Toshihiro Matsumura, Discussant: Dan Sasaki, Kwansei Gakuin University, September 19, 2010.
23. Stackelberg mixed competition with a foreign joint-stock firm. Japanese Economic Association Autumn Meeting, Session Chair: Ichiroh Daitoh, Discussant: Takeshi Ebina, University of Tsukuba, October 30, 2011.
24. Stackelberg mixed competition with a foreign joint-stock firm. Seminar of the Kansai Branch, the Japan Society of International Economics, Discussant: Shoji Haruna, Kwansei Gakuin University, June 9, 2012.
25. Endogenous timing in a price-setting mixed duopoly with a foreign competitor. The 71th Annual Meeting of the Japan Society of International Economics, Session Chair: Yasuhiro Takarada, Discussant: Takao Ohkawa, Konan University, October 14, 2012.
26. Partial privatization in international mixed duopoly with price competition. HOBA 2014 International Conference, School of Social Sciences, Hellenic Open University, Greece, March 8-9, 2014.
27. Inventory holding and international mixed duopoly. HOBA 2014 International Conference, School of Social Sciences, Hellenic Open University, Greece, March 8-9, 2014.
28. Lifetime employment and a mixed duopoly with a foreign labour-managed firm. The 5th Spring Meeting of the Japan Society of International Economics, Session Chair: Shoji Haruna, Discussant: Yoshifumi Okawa, Hannan University, June 13, 2015.
29. Inventory holding and a mixed duopoly with a foreign joint-stock firm. The 75th Annual Meeting of the Japan Society of International Economics, Session Chair: Morihiro Yomogida, Discussant: Kojun Hamada, Chukyo University, October 30, 2016.
30. A three-stage mixed tripoly with capacity choice. Japanese Economic Association Spring Meeting, Session Chair: Keizo Mizuno, Discussant: Takao Ohkawa, Ritsumeikan University, June 25, 2017.
31. Reaction functions under quantity competition in international mixed triopolies. The 77th Annual Meeting of the Japan Society of International Economics, Session Chair: Yasushi Kawabata, Discussant: Takeshi Ogawa, Kwansei Gakuin University, October 13, 2018.
32. Capacity choice in an international mixed triopoly. The 25th Decenttalization Conference in Japan, Session Chair: Yusuke Zennyo, Osaka University of Economics, October 11, 2019.
33. Non-altruistic equilibria. Japanese Economic Association Autumn Meeting, Session Chair: Eiichi Miyagawa, Discussant: Eiichi Miyagawa, Kobe University, October 13, 2019.
Commitment and Strategic Firm Behaviour. Ph.D. Thesis, Osaka University, March 23, 2001.
1. Nihon no koudo keizai seicyouki niokeru jidousya sangyou hatten no haikei. Letters of Economic Science, no. 113, April 30, 2007, pp. 57-62.
2. Theories of entry deterrence (with English summary). Okayama Economic Review, vol. 39, no. 4, March 2008, pp. 193-200.
1. Senryakuteki commitment to sannyu sosi. Okayama Economic Review, vol. 28, no. 1, June 5, 1996, pp. 249-250.
2. Kizon kigyou wa sannyu wo younin surubekika aruiwa sosi surubekika? Japanese Economic Association Autumn Meeting Houkokuyoushisyu, October 16-17, 1999, p. 226.
3. Nihon no koudo keizai seicyouki niokeru boueki seisaku: jidousya sangyou no keisu. The 64th Annual Meeting of the Japan Society of International Economics, Houkokuyoushisyu, October 15-16, 2005, pp. 17-19.
4. Sannyu soshi moderu no hitotsu no hensen. The 29th Meeting of Institute for Basic Economic Science, September 23, 2006, pp. 6-7.
5. Syuushin koyou keiyaku niyoru san dankai moderu no kinkou. The 34th Meeting of Institute for Basic Economic Science, October 8, 2011, pp. 20-21.
6. Osaka no toshi keizaigaku: Naze Osaka wa keizaiteki ni jibanchinka shitaka? The 35th Meeting of Institute for Basic Economic Science, September 16, 2012, pp. 32-35.
1. Senryakuteki commitment to Bertrand sannyu sosi kinkou. Japanese Economic Association Spring Meeting, Session Chair: Kazuya Kamiya, Discussant: Thshihiro Matsumura, Kagawa University, May 15, 1999.
2. Kizon kigyou wa sannyu wo younin surubekika aruiwa sosi surubekika? Japanese Economic Association Autumn Meeting, Session Chair: Tatsuhiko Nariu, Discussant: Ichiro Daito, University of Tokyo, October 17, 1999.
3. Nihon no koudo keizai seicyouki niokeru boueki seisaku: jidousya sangyou no keisu. The 64th Annual Meeting of the Japan Society of International Economics, Session Chair: Kenzo Abe, Discussant: Noritsugu Nakanishi, Ritsumeikan University, October 15, 2005.
4. Sannyu soshi moderu no hitotsu no hensen. The 29th Summer Meeting of Institute for Basic Economic Science, Ritsumeikan University, September 24, 2006.
5. Syuushin koyou keiyaku niyoru san dankai moderu no kinkou. The 34th Summer Meeting of Institute for Basic Economic Science, Ritsumeikan University, October 8, 2011.
6. Osaka no toshi keizaigaku: Naze Osaka wa keizaiteki ni zibanchinka shitaka? The 35th Summer Meeting of Institute for Basic Economic Science, Kyoto Tachibana University, September 16, 2012.
Refereeing Activity
American Journal of Economics and Sociology; Annals of Economics and Finance; Applied Economics Letters; Asia-Pacific Journal of Regional Science; Australian Economic Papers; Canadian Journal of Economics; Economic Modelling; Economics Bulletin; European Journal of Operational Research; FinanzArchiv / Public Finance Analysis; International Game Theory Review; International Review of Economics; International Review of Economics and Finance; Journal of Advances in Mathematics and Computer Science; Journal of Economics, Management and Trade; Journal of Industry, Competition and Trade; Journal of Institutional and Theoretical Economics; Journal of Public Economics; Manchester School; Mathematical Problems in Engineering; Quantitative Finance; Review of Industrial Organization
1. “Tonakaigou hatshin !” Cosmos Bungaku, no. 323, August 2006, pp. 99-103.
2. “Aru kazan no hanashi” Cosmos Bungaku, no. 326, February 2007, pp. 97-99.